Hui Guide do not cause Cao Zuo Bu Sudden Trouble Miscellaneous or increased costs to this Hair Ming Department Ti Gong mono- Seed, the baking degree unevenness Uniform that each positions Inner are set by reduction baked coffee bean what water vapour Office Li Installed, to Steady Ding Di System make with certain fragrance Pin Quality water vapour Office reason baked coffee bean water vapour Office manage method.What is filled with baked coffee bean Installed and sets Inner, the logical Gas Jin rows of the water vapour of Warm degree needed for Guide enters the baking degree of Warm degree Di Yu Jin row baked coffee beans, which set the condensed water that Inner is generated to Zhi Zhi Installed and are discharged The Installed, to be set outside, right Hou, the water vapour Warm degree that Guide Ru Yu Installed are set is improved, until Warm degree needed for obtaining the baking degree of Zu Yi Jin row baked coffee beans.本發明係提供一種不會導致操作步驟煩雜或成本增加,由降低咖啡烘焙豆於水蒸汽處理之裝置內各部位之烘焙程度不均勻,用以穩定地製造具有一定的香味品質之水蒸汽處理咖啡烘焙豆之水蒸汽處理方法。於填充了咖啡烘焙豆之裝置內,導入溫度低於進行咖啡烘焙豆之烘焙程度所需溫度之水蒸汽之通氣,進行到直至裝置內所生成之冷凝水被排出該裝置外,然後,提高導入於裝置之水蒸汽溫度,直至得到足以進行咖啡烘焙豆之烘焙程度所需的溫度。